Opening and closing device for pivoting door of skip vehicles comprises air controlled actuator whose piston pivots toothed sector meshing with toothed wheel integral with door

摘要

The opening and closing device for the pivoting door (4) comprises an air controlled actuator (9). It comprises a toothed sector (6) pivoting under the force of the actuator piston (11) and power transmission by a toothed wheel (8) integral with the door meshing with the toothed sector. An Independent claim is included for a skip vehicle.